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[HADOOP-9497] FileSystem.createFileSystem to convert class instantiation problems to meaningful IOEs - Hadoop - [issue]
...FileSystem.createFileSystem() uses ReflectionUtils() to instantiate a class -which converts all instantiation-related problems to RuntimeException.It would be better to Catch these in FileSy...
http://issues.apache.org/jira/browse/HADOOP-9497    Author: Steve Loughran, 2013-04-23, 22:28
Re: Compatibility in Apache Hadoop - Hadoop - [mail # dev]
...On 23 April 2013 11:32, Andrew Purtell  wrote:  I'd be against any more (mandatory) JAR files. Life is complicated enough, and I would worry about version conflict with a hadoop-fs...
   Author: Steve Loughran, 2013-04-23, 18:44
Re: Compatibility in Apache Hadoop - Hadoop - [mail # dev]
...On 23 April 2013 09:00, Steve Loughran  wrote:  for the curious, there are some tests that I plan to get into bigtop that not only generate various large files, they collect stats ...
   Author: Steve Loughran, 2013-04-23, 18:26
Re: Hadoop Scheduling Algorithm - Hadoop - [mail # dev]
...On 23 April 2013 09:13, Chris Smith  wrote:  This is the one that came from HP Labs; it also pre-empts jobs if you outbid them. It's a lot simpler than the two main schedulers used...
   Author: Steve Loughran, 2013-04-23, 16:25
Re: Compatibility in Apache Hadoop - Hadoop - [mail # dev]
...On 22 April 2013 18:32, Eli Collins  wrote:   +1.  Maybe we should list which bits we consider both well specified and covered with tests that verify the implementations in ou...
   Author: Steve Loughran, 2013-04-23, 16:00
Re: Compatibility in Apache Hadoop - Hadoop - [mail # dev]
...On 22 April 2013 14:00, Karthik Kambatla  wrote:  I don't see -yet- a definition of compatible at the API signature level vs semantics level.  The @ interface attributes say "...
   Author: Steve Loughran, 2013-04-23, 00:42
Re: How to understand Hadoop source code ? - Hadoop - [mail # dev]
...On 19 April 2013 23:08, Noelle Jakusz (c)  wrote:  OK, you have write access...
   Author: Steve Loughran, 2013-04-22, 15:43
[HADOOP-9371] Define Semantics of FileSystem and FileContext more rigorously - Hadoop - [issue]
...The semantics of FileSystem and FileContext are not completely defined in terms of core expectations of a filesystem consistency requirements. concurrency requirements. minimum scale limits...
http://issues.apache.org/jira/browse/HADOOP-9371    Author: Steve Loughran, 2013-04-19, 17:23
[HADOOP-9487] Deprecation warnings in Configuration should go to their own log or otherwise be suppressible - Hadoop - [issue]
...Running local pig jobs triggers large quantities of warnings about deprecated properties -something I don't care about as I'm not in a position to fix without delving into Pig. I can suppres...
http://issues.apache.org/jira/browse/HADOOP-9487    Author: Steve Loughran, 2013-04-19, 12:09
Re: How to understand Hadoop source code ? - Hadoop - [mail # dev]
...On 18 April 2013 18:32, Noelle Jakusz (c)  wrote:  stuff in wiki.apache.org would be welcome, though there's the commitment to keep it up to date.  Once you've created wiki ac...
   Author: Steve Loughran, 2013-04-18, 18:28
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